15525980

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{199}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 33868800

約数和(自身を除く): 18342820

約数列:

[1, 2, 4, 5, 10, 20, 47, 83, 94, 166, 188, 199, 235, 332, 398, 415, 470, 796, 830, 940, 995, 1660, 1990, 3901, 3980, 7802, 9353, 15604, 16517, 18706, 19505, 33034, 37412, 39010, 46765, 66068, 78020, 82585, 93530, 165170, 187060, 330340, 776299, 1552598, 3105196, 3881495, 7762990, 15525980]

約数ペア:

[(1, 15525980), (2, 7762990), (4, 3881495), (5, 3105196), (10, 1552598), (20, 776299), (47, 330340), (83, 187060), (94, 165170), (166, 93530), (188, 82585), (199, 78020), (235, 66068), (332, 46765), (398, 39010), (415, 37412), (470, 33034), (796, 19505), (830, 18706), (940, 16517), (995, 15604), (1660, 9353), (1990, 7802), (3901, 3980)]